Chapter 6 Fault Causes; Fault Causes - Helios KWL 45 BEU Notice De Montage Et D'utilisation

Installation and Operating Instructions
CHAPTER 6

FAULT CAUSES

Controller KWL 45 BEU
13 . Sleep mode Duration
LED 1 / 3 / 4 / 6 LED 1/ 3 / 4 / 7
15 minutes 45 minutes
M
14 . Party mode Duration
LED 2 / 3 / 4 / 6 LED 2/ 3 / 4 / 7
15 minutes 45 minutes
M
15 . Save settings (LEDs "flashing" slowly)
LED 1-8
2x in 1 sec.
+
press
M
16 . Factory reset (LEDs "flashing" rapidly)
LED 1-8
5x in 1 sec.
+
press
M
6 .0 Fault causes
Fault Cause
KWL EC 45 does not start
or
– Control voltage failure 12 V DC
– Operating mode supply air / extract
Impeller does not turn (no
air active
longer turns)
– Plug not connected to KWL EC 45
or cable break
– Ventilation stage 0 activated
– Impeller blocked
– Motor defective
– Controller defective
Vibrations – Contamination of impellers
– Bearing damage
LED 1 / 3 / 4 / 6 / 7 LED 1 / 3 / 4 / 8
60 minutes 90 minutes
M M
LED 2 / 3 / 4 / 6 / 7 LED 2 / 3 / 4 / 8
60 minutes 90 minutes
M M
button
button
12
LED 1 / 3 / 4 / 6 / 8 LED 1 / 3 / 4 / 7 / 8
120 minutes
180 minutes
M M
LED 2 / 3 / 4 / 6 / 8
LED 2 / 3 / 4 / 7 / 8
120 minutes 180 minutes
M M
Solution
Check mains power supply
Check connections according to wiring diagram
Replace switching power supply SNU / SNH
Change operating mode
(target function no fault)
Check plug and control line for cable break if
necessary
Change operating stage
Note external contact
Clear blockade, clean if necessary
Contact Helios customer services
Contact Helios customer services
Check connections according to wiring diagram
Contact Helios customer services
Clean
Replace fan
Contact Helios customer services
EN
M
M